The veins of the posterior fossa--anterior or petrosal draining group.
D002533:Cerebral Angiography; D003392:Cranial Sinuses / Q000000981:diagnostic imaging*; D006801:Humans; D008722:Methods; D009463:Neuroma / Q000000981:diagnostic imaging; D000159:Vestibulocochlear Nerve / Q000000981:diagnostic imaging